71.12.Z - Engineering activities and related technical consultancy
43.22.Z - Plumbing, heat and air-conditioning installation
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
71.20.B - Other technical testing and analysis
71.11.Z - Architectural activities
68.20.Z - Rental and operating of own or leased real estate
49.41.Z - Freight transport by road
46.74.Z - Wholesale of hardware and plumbing and heating equipment and supplies
43.99.Z - Other specialised construction activities not elsewhere classified
43.91.Z - Roofing activities
43.39.Z - Other building completion and finishing
43.34.Z - Painting and glazing
43.32.Z - Joinery installation
43.31.Z - Plastering
43.29.Z - Other construction installation
25.11.Z - Manufacture of metal structures and parts of structures
43.21.Z - Electrical installation
43.12.Z - Site preparation
43.11.Z - Demolition
42.21.Z - Works related to construction of transmission pipelines and distribution networks
41.20.Z - Building works related to erection of residential and non-residential buildings
41.10.Z - Realization of building projects related to erection of buildings
37.00.Z - Sewage disposal and treatment
33.20.Z - Installation of industrial machinery and equipment and outfit
33.12.Z - Repair and maintenance of machinery
33.11.Z - Repair and maintenance of fabricated metal products
25.99.Z - Manufacture of other fabricated metal products not elsewhere classified
25.62.Z - Mechanical working of metal elements
25.29.Z - Manufacture of other tanks, reservoirs and containers of metal
